Home / 15,183.04-22,779.08-7,792.72

Finding the Fourth Proportional to 15,183.04, 22,779.08 and 7,792.72

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Solution

The fourth proportional to 15,183.04, 22,779.08 and 7,792.72 is: 11,691.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,183.04 : 22,779.08 = 7,792.72 : x
  2. Step 2: Convert to fraction form
    15,183.04/22,779.08 = 7,792.72/x
  3. Step 3: Cross multiply
    15,183.04x = 22,779.08 × 7,792.72
  4. Step 4: Simplify right side
    15,183.04x = 177,510,992.30
  5. Step 5: Solve for x
    x = 177,510,992.30/15,183.04
  6. Step 6: Final answer
    x = 11,691.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.